projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 3d2d827f MT |
2 | #ifndef _LINUX_MMU_CONTEXT_H |
| 3 | #define _LINUX_MMU_CONTEXT_H | |
| 4 | ||
| f98db601 | 5 | #include <asm/mmu_context.h> |
| bf9282dc | 6 | #include <asm/mmu.h> |
| f98db601 | 7 | |
| f98db601 AL |
8 | /* Architectures that care about IRQ state in switch_mm can override this. */ |
| 9 | #ifndef switch_mm_irqs_off | |
| 10 | # define switch_mm_irqs_off switch_mm | |
| 11 | #endif | |
| 12 | ||
| bf9282dc | 13 | #ifndef leave_mm |
| 7dbbc8f5 | 14 | static inline void leave_mm(void) { } |
| bf9282dc PZ |
15 | #endif |
| 16 | ||
| 9ae606bc WD |
17 | /* |
| 18 | * CPUs that are capable of running user task @p. Must contain at least one | |
| 19 | * active CPU. It is assumed that the kernel can run on all CPUs, so calling | |
| 20 | * this for a kernel thread is pointless. | |
| 21 | * | |
| 22 | * By default, we assume a sane, homogeneous system. | |
| 23 | */ | |
| 24 | #ifndef task_cpu_possible_mask | |
| 25 | # define task_cpu_possible_mask(p) cpu_possible_mask | |
| 26 | # define task_cpu_possible(cpu, p) true | |
| 3a544661 | 27 | # define task_cpu_fallback_mask(p) housekeeping_cpumask(HK_TYPE_TICK) |
| 9ae606bc WD |
28 | #else |
| 29 | # define task_cpu_possible(cpu, p) cpumask_test_cpu((cpu), task_cpu_possible_mask(p)) | |
| 30 | #endif | |
| 31 | ||
| f7d30434 KS |
32 | #ifndef mm_untag_mask |
| 33 | static inline unsigned long mm_untag_mask(struct mm_struct *mm) | |
| 34 | { | |
| 35 | return -1UL; | |
| 36 | } | |
| 37 | #endif | |
| 38 | ||
| 23e5d9ec KS |
39 | #ifndef arch_pgtable_dma_compat |
| 40 | static inline bool arch_pgtable_dma_compat(struct mm_struct *mm) | |
| 41 | { | |
| 42 | return true; | |
| 43 | } | |
| 44 | #endif | |
| 45 | ||
| 3d2d827f | 46 | #endif |